SPECS: Series: FX String Pattern: 16 in. x 19 in. Stiffness: 66 Length: 27 in. Unstrung Weight: 10.1 oz. Unstrung Balance: 325 MM Head Size: 100 in^2 Beam Width: 23-26-24 Grip: 3 TECHNOLOGY: AeroSkin Cx(R) features an engineered surface texture that smooths airflow over the racket and reduces up to 35% of drag/ LI> HM6 Carbon construct naturally absorbs impact and maintains shape HM6 honeycomb design uses complex hexagonal cells to create a lightweight and strong structure made up of 95% air